Most issues with Sling not working on Roku can be traced back to some kind of connectivity problem.
Accordingly,rebooting your router and modemto see if that fixes the issue is a great second step.
Not all connectivity issues can be solved by a simple reboot, however.
Go through these10 internet connectivity troubleshooting tipsto verify there isn’t anything wrong with your internet behind the scenes.
Uninstall the app, thenreinstall it to your Roku, and sign back into the Sling TV app.
Simple, temporary issues can often be resolved by this process.
The Roku is supposed to update itself, but if it hasn’t, you might do it manually.
Reset your Roku (see step 1).
You’ll be able to report what you’re experiencing.
This can be sparked by too many connected devices using the same internet connection.
check that your Wi-Fi connection is strong and that all cables are connected properly.
Try using Sling on another equipment to see if the problem persists.
you’re free to also try rebooting your rig.
If you’re still having trouble, check Sling’s Known Issues list or report your problem.
You’ll need to reset the hardware equipment on which you’re using Sling TV.